Spark plug · Denso

Equivalents for the Denso spark plug X31ESR-U

Meet the Denso X31ESR-U spark plug featuring hex size 18 mm (0,71″), tightening torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour), heat range hot, reach 19.0 mm, thread 12 mm. All its 19 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Denso X31ESR-U spark plug

Torque
fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)

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What can replace a Denso X31ESR-U spark plug?

The Denso X31ESR-U is interchangeable with: NGK D10EA, Champion A57C, Denso X20E, Champion A57C-TT/003, Champion OE173, Denso X22E. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso X31ESR-U?

Spark plug wrench 18 mm (0,71″), Thread 12 mm, Reach 19.0 mm, Heat range Hot, Seat Flat (gasket), Torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)

Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.